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Completely displaced supracondylar humerus fractures are usually treated with closed reduction and percutaneous pin fixation, but the optimal pin configuration remains debated. A randomized clinical trial compared lateral-entry pinning with medial-and-lateral pinning in children with type III extension fractures. The study evaluated loss of reduction and iatrogenic ulnar nerve injury. Lateral-only pinning provided satisfactory stability while avoiding the direct medial pin trajectory associated with ulnar nerve risk. This evidence supports lateral-entry constructs as a strong option when adequate stability can be achieved without medial pin placement. For HCPs, the key surgical principle is not simply “lateral is safer,” but that stability must remain adequate for the fracture pattern. If a medial pin is needed, careful protection of the ulnar nerve and appropriate elbow positioning are essential. The decision should therefore balance fixation stability against nerve safety. The trial remains relevant because supracondylar fractures are common in children and small technical choices can have meaningful neurological consequences.
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Completely displaced supracondylar humerus fractures are usually treated with closed reduction and percutaneous pin fixation, but the optimal pin configuration remains debated. A randomized clinical trial compared lateral-entry pinning with medial-and-lateral pinning in children with type III extension fractures. The study evaluated loss of reduction and iatrogenic ulnar nerve injury. Lateral-only pinning provided satisfactory stability while avoiding the direct medial pin trajectory associated with ulnar nerve risk. This evidence supports lateral-entry constructs as a strong option when adequate stability can be achieved without medial pin placement. For HCPs, the key surgical principle is not simply “lateral is safer,” but that stability must remain adequate for the fracture pattern. If a medial pin is needed, careful protection of the ulnar nerve and appropriate elbow positioning are essential. The decision should therefore balance fixation stability against nerve safety. The trial remains relevant because supracondylar fractures are common in children and small technical choices can have meaningful neurological consequences.
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